Home / 5,515.43-8,269.29-4,419.50

Finding the Fourth Proportional to 5,515.43, 8,269.29 and 4,419.50

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Solution

The fourth proportional to 5,515.43, 8,269.29 and 4,419.50 is: 6,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.43 : 8,269.29 = 4,419.50 : x
  2. Step 2: Convert to fraction form
    5,515.43/8,269.29 = 4,419.50/x
  3. Step 3: Cross multiply
    5,515.43x = 8,269.29 × 4,419.50
  4. Step 4: Simplify right side
    5,515.43x = 36,546,085.81
  5. Step 5: Solve for x
    x = 36,546,085.81/5,515.43
  6. Step 6: Final answer
    x = 6,626.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.